CN103631011B - A kind of microscope is focused objective table device fast - Google Patents
A kind of microscope is focused objective table device fast Download PDFInfo
- Publication number
- CN103631011B CN103631011B CN201310693465.5A CN201310693465A CN103631011B CN 103631011 B CN103631011 B CN 103631011B CN 201310693465 A CN201310693465 A CN 201310693465A CN 103631011 B CN103631011 B CN 103631011B
- Authority
- CN
- China
- Prior art keywords
- objective table
- piezoelectric ceramic
- microscope
- ceramic actuator
- top objective
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Lens Barrels (AREA)
- Microscoopes, Condenser (AREA)
Abstract
The invention discloses a kind of focusing of microscope objective table device, be made up of parts such as top objective table, base, piezoelectric ceramic actuator, preloading spring and control modules; The present invention can change objective table levelness or height by the independence or synchronization telescope action controlling three piezoelectric ceramic actuators be fixed between top objective table and base; Control module, by regulating the radial displacement of direct voltage drive piezoelectric ceramic actuator, changes vergence direction and the angle of inclination of top objective table, and the lifting of top objective table; The present invention can be used for the multiple optical microscope such as biological microscope, Stereo microscope, as microscope auxiliary appliance, improves microscope imaging effect, reduces focus operations difficulty.Owing to adopting piezoelectric ceramic actuator, objective table mobile accuracy can reach 0.1 μm of level, and focusing speed reaches ms level, and easily realizes more than 50 μm accurate focusing range.The present invention has the characteristics such as structure is simple, processing ease, provides high precision for meeting high magnification microexamination, to focus scheme fast and accurately.
Description
Technical field
The present invention relates to a kind of microscope to focus fast objective table device, quick, high-precision fine setting Jiao for optical microscope is auxiliary, belongs to microscope functions expansion utensil.
Technical background
Conventional optical microscope generally adopts and regulates the method for the distance between object lens and sample to realize focusing, its focus adjusting mechanism generally adopts the focus adjustment method that mechanical gear slows down and rack-and-pinion coordinates, there is focusing speed slow and be vulnerable to the impact of gear drive when space width, the problems such as the bad control of its focusing accuracy, particularly for the object lens microscope of more than 40X, accurate adjusting focal length is a kind of technical ability especially.In addition, under high magnification condition, because object lens mirror is dark less, the original objective table of microscope and lens barrel verticality have deviation or microslide, the out-of-flatness of sample all can make imaging there is subregion situation out of focus, i.e. the locally phenomenon such as clear, edge fog.In addition, for the microexamination of the high magnification such as scientific research and microorganism detection or multiple plate Overlap-scanning imaging requirements, optical microscope is in the past mainly through improving machining precision, or senior experimenter is pure completes by experience, and its observation cost is high, and the test duration is long.
Patent of the present invention is for the problem of the out-of-level imaging effect difference caused of focusing and objective table or sample under the high magnification of conventional light microscope, based on the scheme of 3 adjustment plane levelness and height, utilize piezoelectric ceramic actuator can fast, the angle of inclination of high precision leveling objective table and height displacement.This objective table device structure is simple, easy to operate, can be used on the conventional light microscope such as biological microscope, Stereo microscope, as the optimization of focusing of microscope function.
Summary of the invention
The problems such as when the object of the invention is to solve high magnification microexamination, focusing is difficult, repeatable accuracy is poor, provide a kind of microscope to focus fast objective table device, effectively can improve focusing accuracy and micro-imaging quality by this device.
The present invention is made up of top objective table, base, preloading spring, coupling bolt, piezoelectric ceramic actuator, steel ball, microslide fixture, control module, the stand of its middle and upper part objective table and base composition Rapid focusing device, piezoelectric ceramic actuator and steel ball realize the change of top objective table height, coupling bolt and preloading spring composition preload unit; Top objective table and base carry out supported at three point by three piezoelectric ceramic actuators and three steel balls, steel ball is installed in the recessed ball groove of piezoelectric ceramic actuator, support top objective table by point cantact simultaneously, guarantee that piezoelectric ceramic actuator precisely to transmit the anchorage force of top objective table and to be convenient to carry out top objective table the adjustment of different angles by point cantact; Piezoelectric ceramic actuator is placed in the piezoelectric ceramic actuator draw-in groove of susceptor surface, and be connected with control module by wire, the DC voltage at piezoelectric ceramic actuator two ends is regulated by control module, independent or the synchronous radial displacement change driving, control piezoelectric ceramic actuator, realize the parallel rising of the different angles of top objective table and the inclination in direction and top objective table, sinking, change the distance of microslide and micro objective, complete microscopical fine setting burnt; Coupling bolt is connected with top objective table by internal thread hole, and coupling bolt head is placed in base coupling bolt groove, and adopts preloading spring to carry out pretension to it; When top objective table sinks, coupling bolt, under the tension force effect of preloading spring, shortens the reduction time of top objective table and guarantees that steel ball contacts with top objective table holding point all the time, avoiding instability during reduction; Top objective table has light hole, and microslide fixture is fixed on the objective table of top by microslide fixture set bolt.
Beneficial effect of the present invention:
1, the present invention utilize precision high, respond fast, manageable piezoelectric ceramic actuator and support top objective table, by regulating the voltage at piezoelectric ceramic actuator two ends, make it that small radial displacement change occur, change the distance between sample and object lens, realize parallel rising and the sinking of the different angles of top objective table and the inclination in direction and top objective table.
2, the present invention is owing to adopting piezoelectric ceramic actuator, and objective table mobile accuracy can reach 0.1 μm of level, and focusing speed reaches ms level, and easily realizes more than 50 μm accurate focusing range
3, apparatus of the present invention structure and simple, convenient, the time is short, precision is high, can be used for that conventional optical microscope realizes fast, the optimization of the function of precisely focusing and leveling.
Accompanying drawing explanation
Fig. 1 is perspective exploded view of the present invention.
Fig. 2 is the connection diagram between top of the present invention objective table and base.
Fig. 3 is that the present invention is for schematic diagram during microscope.
Wherein: 1-preloading spring; 2-base; 3-coupling bolt; 4-piezoelectric ceramic actuator draw-in groove; 5-through hole; 6-coupling bolt groove; 7-piezoelectric ceramic actuator; 8-steel ball; 9-microslide; 10-top objective table; 11-microslide fixture; 12-microslide fixture set bolt; 13-light hole; 14-wire; 15-control module; 16-microscope stage; 17-set bolt; 18-microscope; 19-object lens; 20-steel-ball groove; 21-internal thread hole.
Embodiment
Refer to shown in Fig. 1 and Fig. 2, the present embodiment is made up of top objective table 10, base 2, preloading spring 1, coupling bolt 3, piezoelectric ceramic actuator 7, steel ball 8, microslide fixture 11, control module 15, its middle and upper part objective table 10 and base 2 form the stand of Rapid focusing device, piezoelectric ceramic actuator 7 and steel ball 8 realize the change of top objective table 10 height, and coupling bolt 3 and preloading spring 1 form preload unit; Top objective table 10 and base 2 carry out supported at three point by three piezoelectric ceramic actuators 7 and three steel balls 8.As shown in Figure 2, steel ball 8 is installed in the recessed ball groove of piezoelectric ceramic actuator, support top objective table 10 by point cantact simultaneously, guarantee that the anchorage force of piezoelectric ceramic actuator 7 pairs of top objective tables 10 precisely transmits and is convenient to carry out top objective table 10 adjustment of different angles by point cantact; Piezoelectric ceramic actuator 7 is placed in the piezoelectric ceramic actuator draw-in groove 4 on base 2 surface, and be connected with control module 15 by wire 14, the DC voltage at piezoelectric ceramic actuator 7 two ends is regulated by control module 15, independent or the synchronous radial displacement change driving, control piezoelectric ceramic actuator 7, realize the parallel rising of the different angles of top objective table 10 and the inclination in direction and top objective table 10, sinking, change microslide 9 and the distance of micro objective 19, complete fine setting Jiao of microscope 18.As shown in Figure 2, coupling bolt 3 is connected with top objective table 10 by internal thread hole 21, and coupling bolt 3 head is placed in base 2 coupling bolt groove, and adopts preloading spring 1 to carry out pretension to it; When top objective table 10 sinks, coupling bolt 3, under the tension force effect of preloading spring 1, shortens the reduction time of top objective table 10 and guarantees that steel ball 8 contacts with top objective table 10 holding point all the time, avoiding instability during reduction; Top objective table 10 has light hole 13, and microslide fixture 11 is fixed on top objective table 10 by microslide fixture set bolt 12.
The present invention can be placed on conventional optical microscope objective table 16, as biological microscope, Stereo microscope, material inverted microscope etc.As shown in Figure 3, on standard biologic microscope, the present invention is fixed on the surface of microscope stage 16 by the present invention by the through hole 5 on base 2 surface and set bolt 17.
The use procedure of the present invention on microscope 18 is as follows:
1, the sample need observed is fixed on top of the present invention objective table 10, utilizes microslide fixture 11 to fix;
2, rough focusing utilizes the focusing ring of microscope 18 itself to complete;
3, change focus adjustment method after searching out sample position and profile, utilize the present invention to carry out finely tuning namely by displacement synchronous control (stretch) the realization accurate focusing of control module 15 to three piezoelectric ceramic actuators 7;
4, for fuzzy (that causes due to sample or objective table injustice out-of-levelly causes) of the subregion of having focused within the scope of rear field of microscope, utilize control module 15 adjustment member piezoelectric ceramic actuator 7, three piezoelectric ceramic actuators 7 are made to produce displacement difference, realize specimen surface and optical axis verticality, realize the overall sharpness in microscope 18 visual field.
5, microorganism is detected automatically, the panoramic mosaic scanning of large-scale sample, the present invention, in conjunction with computing machine automatic focusing software, can realize dynamically focusing and focusing fast.
Claims (1)
1. a microscope is focused objective table device fast, it is characterized in that: be made up of top objective table (10), base (2), preloading spring (1), coupling bolt (3), piezoelectric ceramic actuator (7), steel ball (8), microslide fixture (11), control module (15), the stand of its middle and upper part objective table (10) and base (2) composition Rapid focusing device, piezoelectric ceramic actuator (7) and steel ball (8) realize the change of top objective table (10) height, coupling bolt (3) and preloading spring (1) composition preload unit, top objective table (10) and base (2) carry out supported at three point by three piezoelectric ceramic actuators (7) and three steel balls (8), steel ball (8) is installed in the recessed ball groove of piezoelectric ceramic actuator, support top objective table (10) by point cantact simultaneously, guarantee that the anchorage force of piezoelectric ceramic actuator (7) to top objective table (10) precisely transmits and be convenient to carry out top objective table (10) adjustment of different angles by point cantact, piezoelectric ceramic actuator (7) is placed in the piezoelectric ceramic actuator draw-in groove (4) on base (2) surface, and be connected with control module (15) by wire (14), the DC voltage at piezoelectric ceramic actuator (7) two ends is regulated by control module (15), independent or synchronously drive, control the radial displacement change of piezoelectric ceramic actuator (7), realize parallel rising or the sinking of the different angles of top objective table (10) and the inclination in direction and top objective table (10), change the distance of microslide (9) and micro objective (19), the fine setting completing microscope (18) is burnt, coupling bolt (3) is connected with top objective table (10) by internal thread hole (21), and coupling bolt (3) head is placed in base (2) coupling bolt groove, and adopts preloading spring (1) to carry out pretension to it, when top objective table (10) sinks, coupling bolt (3) is under the tension force effect of preloading spring (1), shorten the reduction time of top objective table (10) and guarantee that steel ball (8) contacts with top objective table (10) holding point all the time, avoiding instability during reduction, top objective table (10) has light hole (13), and microslide fixture (11) is fixed on top objective table (10) by microslide fixture set bolt (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693465.5A CN103631011B (en) | 2013-12-17 | 2013-12-17 | A kind of microscope is focused objective table device fast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310693465.5A CN103631011B (en) | 2013-12-17 | 2013-12-17 | A kind of microscope is focused objective table device fast |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103631011A CN103631011A (en) | 2014-03-12 |
| CN103631011B true CN103631011B (en) | 2015-09-09 |
Family
ID=50212244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310693465.5A Expired - Fee Related CN103631011B (en) | 2013-12-17 | 2013-12-17 | A kind of microscope is focused objective table device fast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103631011B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103869460B (en) * | 2014-03-27 | 2016-08-17 | 程涛 | Prevent the system that microscope slide is extruded by microscopical object lens |
| CN105116539A (en) * | 2015-09-18 | 2015-12-02 | 江苏师范大学 | Portable precision digital optical microscope |
| CN105549196B (en) * | 2016-03-02 | 2018-09-25 | 河南师范大学 | A kind of tilting auxiliary device for optical microscope stage |
| CN108227177B (en) * | 2016-12-13 | 2024-03-01 | 惠州市瑞港科技有限公司 | Portable desk-top magnifying glass |
| CN107357033A (en) * | 2017-08-14 | 2017-11-17 | 安徽工程大学 | A kind of microscope is quickly focused objective table device |
| CN107608064B (en) * | 2017-09-22 | 2020-04-21 | 浙江海洋大学 | Observation objective table for miniature zooplankton |
| CN108120677B (en) * | 2017-12-11 | 2020-11-27 | 河南理工大学 | Centering leveling device for infrared spectrometer observation and sample rotating method |
| CN109366052B (en) * | 2018-12-10 | 2021-03-30 | 西安航天动力机械有限公司 | Telescopic internal stay frock |
| US10915992B1 (en) | 2019-08-07 | 2021-02-09 | Nanotronics Imaging, Inc. | System, method and apparatus for macroscopic inspection of reflective specimens |
| US11593919B2 (en) | 2019-08-07 | 2023-02-28 | Nanotronics Imaging, Inc. | System, method and apparatus for macroscopic inspection of reflective specimens |
| CN112346232B (en) * | 2020-11-02 | 2021-08-24 | 山东大学 | Portable microscope and working method thereof |
| CN112305745B (en) * | 2020-11-10 | 2023-05-26 | 华中科技大学鄂州工业技术研究院 | High-temperature confocal microscope |
| CN113406785B (en) * | 2021-06-29 | 2023-04-25 | 昕昱科技发展(深圳)有限公司 | Triaxial automatic objective table capable of adapting to various microscopes |
| CN113495353A (en) * | 2021-07-02 | 2021-10-12 | 安徽大学 | Adjustable multi-wavelength data acquisition system for microscope system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1234517A (en) * | 1998-05-01 | 1999-11-10 | 斯威夫脱仪器股份有限公司 | Microscope with direct CO-axial focusing mechanism |
| JP3840192B2 (en) * | 2003-03-19 | 2006-11-01 | キヤノン株式会社 | Manipulator with arm mechanism for hand |
| JP4539275B2 (en) * | 2004-10-08 | 2010-09-08 | 株式会社ニコン | Unit type microscope equipment |
| TWI403756B (en) * | 2010-06-18 | 2013-08-01 | Univ Nat Taiwan | 3d optical coherent tomography with confocal imaging apparatus |
| CN203587877U (en) * | 2013-12-17 | 2014-05-07 | 吉林大学 | Microscope fast focusing objective table device |
-
2013
- 2013-12-17 CN CN201310693465.5A patent/CN103631011B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103631011A (en) | 2014-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103631011B (en) | A kind of microscope is focused objective table device fast | |
| CN203587877U (en) | Microscope fast focusing objective table device | |
| US9964717B2 (en) | Device and method for aligning and bonding lens array and PD array with high precision | |
| JP6074429B2 (en) | Focus and imaging systems and techniques using error signals | |
| CN103293162B (en) | Lighting system and method used for dark field detection of defect in spherical optical element surface | |
| JP5841379B2 (en) | Hardness testing machine | |
| CN204353654U (en) | The laser aid of cone of nulls degree and back taper groove processing can be realized | |
| CN1955634A (en) | Displacement transducer | |
| CN104972232A (en) | Alignment assembly and method for aligning rotating shaft of rotating table type laser direct writing device to direct writing optical axis | |
| CN106271118B (en) | A kind of device and method improving multiple aperture micropore laser processing quality | |
| CN103292739B (en) | A kind of curve form precision measurement apparatus without topworks and method | |
| CN106707488A (en) | Quick focusing microscope | |
| CN103235396A (en) | Multi-degree-of-freedom optical path adjusting system | |
| JP2017146603A (en) | Adjusting mechanism of sample holder, microscope with adjusting mechanism, and method | |
| CN109556836A (en) | A kind of High Precision Automatic device and its application method for seeking burnt detection of mode of laser group | |
| CN102478699B (en) | Automatic focusing device and method thereof | |
| CN110208936A (en) | Nanoscale micrometric displacement regulation device for Laser Scanning Confocal Microscope detecting pinhole | |
| CN104690423B (en) | A kind of realize cone of nulls degree and back taper boring processing unit (plant) and method | |
| CN103801824A (en) | Automatic-focusing high-precision large-stroke precision positioning workbench | |
| CN201645044U (en) | Laser processing system | |
| CN208450830U (en) | A kind of laser surface micromachining device quickly focused with CCD | |
| CN201611407U (en) | Optical three-dimensional microscope and object stage | |
| ATE530942T1 (en) | MICROSCOPE | |
| CN106735863B (en) | A method of by material surface automatic positioning at laser spot | |
| CN209962001U (en) | Nanoscale micrometric displacement adjusting device for confocal microscope detection pinhole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150909 Termination date: 20151217 |
|
| EXPY | Termination of patent right or utility model |